1640925120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89963}}^1$

素因数の和:90002

約数の個数: 112

約数和(自身を含む): 5484205440

約数和(自身を除く): 3843280320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 64, 76, 80, 95, 96, 114, 120, 152, 160, 190, 192, 228, 240, 285, 304, 320, 380, 456, 480, 570, 608, 760, 912, 960, 1140, 1216, 1520, 1824, 2280, 3040, 3648, 4560, 6080, 9120, 18240, 89963, 179926, 269889, 359852, 449815, 539778, 719704, 899630, 1079556, 1349445, 1439408, 1709297, 1799260, 2159112, 2698890, 2878816, 3418594, 3598520, 4318224, 5127891, 5397780, 5757632, 6837188, 7197040, 8546485, 8636448, 10255782, 10795560, 13674376, 14394080, 17092970, 17272896, 20511564, 21591120, 25639455, 27348752, 28788160, 34185940, 41023128, 43182240, 51278910, 54697504, 68371880, 82046256, 86364480, 102557820, 109395008, 136743760, 164092512, 205115640, 273487520, 328185024, 410231280, 546975040, 820462560, 1640925120]

約数ペア:

[(1, 1640925120), (2, 820462560), (3, 546975040), (4, 410231280), (5, 328185024), (6, 273487520), (8, 205115640), (10, 164092512), (12, 136743760), (15, 109395008), (16, 102557820), (19, 86364480), (20, 82046256), (24, 68371880), (30, 54697504), (32, 51278910), (38, 43182240), (40, 41023128), (48, 34185940), (57, 28788160), (60, 27348752), (64, 25639455), (76, 21591120), (80, 20511564), (95, 17272896), (96, 17092970), (114, 14394080), (120, 13674376), (152, 10795560), (160, 10255782), (190, 8636448), (192, 8546485), (228, 7197040), (240, 6837188), (285, 5757632), (304, 5397780), (320, 5127891), (380, 4318224), (456, 3598520), (480, 3418594), (570, 2878816), (608, 2698890), (760, 2159112), (912, 1799260), (960, 1709297), (1140, 1439408), (1216, 1349445), (1520, 1079556), (1824, 899630), (2280, 719704), (3040, 539778), (3648, 449815), (4560, 359852), (6080, 269889), (9120, 179926), (18240, 89963)]